Don’t miss a thing with both-eyes-open shooting. Push-button activation lets you choose between green” red” or black reticle settings. One lithium battery yields up to 5″000+ hours of service. The black reticle is etched onto the prism” so you can use the optic even without battery power. Easy-to-see reticle hash marks offer trajectory compensation to 600 yards. Lens coatings are maximized for glare resistance and low-light operation” and the sight is night-vision compatible.